cd H:\work\Baiyi_docs\
git pull
cd H:\work\fang_docs\
git pull
Copy-Item  "H:\work\fang_docs\*.md" -Destination "C:\Users\sun\Documents\Yu Writer Libraries\life\technology"
Copy-Item  "H:\work\fang_docs\EnglishStudy\*.md" -Destination "C:\Users\sun\Documents\Yu Writer Libraries\life\EnglishStudy" 
Copy-Item  "H:\work\fang_docs\CultureStudy\*.md" -Destination  "C:\Users\sun\Documents\Yu Writer Libraries\life\CultureStudy" 
Copy-Item  "H:\work\Baiyi_docs\*.md" -Destination "C:\Users\sun\Documents\Yu Writer Libraries\life"  
Copy-Item  "H:\work\Baiyi_docs\work\*.md" -Destination  "C:\Users\sun\Documents\Yu Writer Libraries\life\work" 